<div class="my-3">
    <div class="{{$ctrl.provinceClass}}">
        <select required ng-model="$ctrl.province">
            <option value="" selected="selected">Tỉnh / Thành</option>
            <option ng-repeat="item in $ctrl.provinceOptions track by $index" ng-value="item.value">
                {{item.value}}
            </option>
        </select>
    </div>
    <div class="{{$ctrl.districtClass}}">
        <select required ng-model="$ctrl.district">
            <option value="" selected="selected">Quận / Huyện</option>
            <option ng-repeat="item in $ctrl.districtOptions track by $index" ng-value="item.value">
                {{item.value}}
            </option>
        </select>
    </div>
    <div class="{{$ctrl.wardClass}}">
        <select required ng-model="$ctrl.ward">
            <option value="" selected="selected">Phường / Xã</option>
            <option ng-repeat="item in $ctrl.wardOptions track by $index" ng-value="item.value">
                {{item.value}}
            </option>
        </select>
    </div>
</div>